International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Open Access | Fully Refereed | Peer Reviewed

ISSN: 2319-7064


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Dissertation Chapters | Microbiology | India | Volume 3 Issue 9, September 2014


A Study on Device Associated Infections in the Adult Intensive Care Unit at a Tertiary Care Hospital

M. Aravind, B. V. Navaneeth


Abstract: Title: A STUDY ON DEVICE ASSOCIATED INFECTIONS IN THE ADULT INTENSIVE CARE UNIT AT A TERTIARY CARE HOSPITAL Introduction: The surveillance of Device associated infections in ICUs can reduce incidence of Nosocomial infections (NIs), healthcare cost & a better control of infections. Aims & Objectives: 1. To know the occurrence of device associated infection rate in ICU.2. To know the bacterial profile of various devices associated infections. Materials and Methods: This study was conducted between October 2011 to May 2012 in a six bedded adult ICU. A total of 1000 specimens of endotracheal aspirate; catheterized specimen urine and intravenous blood were collected from 567 eligible patients (CDC criteria). Identification of pathogens, antibiotic susceptibility testing was carried out as per standard guidelines. Extended Spectrum -Lactamase (ESBL), Inducible AmpC -Lactamase, Plasmid-mediated AmpC production, and Metallo-Lactamase (MBL) were tested for Gram negative bacilli by Combined disc diffusion method, Disk antagonism, Modified three-dimensional test, and Modified Hodge Test (MHT) respectively. Methicillin resistant Staphylococcus aureus (MRSA) & inducible clindamycin resistant (D-test) were tested for Gram positive bacteria. The data were analysed for determining DAI rate for Ventilator Associated Pneumonia (VAP), Catheter Associated Urinary Tract Infections (CA-UTI) & Central Line Associated Blood Stream Infections (CLA-BSI) using CDC guidelines. Results: DAI rates for VAP, CLA-BSI and CAUTI were 38.7, 7.6 and 1.47 /1000 device days respectively. Acinetobacter baumannii and Pseudomonas aeruginosa were predominant isolates. MBL (85 %) & ESBL (62 %) were most common resistance mechanisms for Acinetobacter baumannii and Pseudomonas aeruginosa respectively. Conclusion: VAP was most common infection. Multidrug resistant (MDR) A. baumannii & Ps. aeruginosa were predominant organisms. Most common resistance mechanisms were MBL for A. baumannii & ESBLs for Ps. aeruginosa.


Keywords: DAIs, VAP, CLA-BSI, CAUTI, ESBL, Amp-C, MBL, MRSA, MDR


Edition: Volume 3 Issue 9, September 2014,


Pages: 2125 - 2129


How to Cite this Article?

M. Aravind, B. V. Navaneeth, "A Study on Device Associated Infections in the Adult Intensive Care Unit at a Tertiary Care Hospital", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=SEP14583, Volume 3 Issue 9, September 2014, 2125 - 2129

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